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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	222	every server tick.
102		223
103	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
107		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		325
151	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
196		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
197	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
198		392
199	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
200		394
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
209		396
210	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
211		398
212	=cut	399	=cut
213		400
214	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
216	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
217	}	466	}
218		467
219	=item cf::lock_wait $string	468	=item cf::lock_wait $string
220		469
221	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
222		471
223	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
224		473
225	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
228	returned.	477	returned.
229		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
230	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
232		484
233	=cut	485	=item $locked = cf::lock_active $string
234		486
235	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
236		492
237	sub lock_wait($) {	493	sub lock_wait($) {
238	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	495	}
246		496
247	sub lock_acquire($) {	497	sub lock_acquire($) {
248	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
249		500
250	# wait, to be sure we are not locked	501	sub lock_active($) {
251	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	503	}
260		504
261	sub freeze_mainloop {	505	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
263		507
264	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	509	}
266	$WRITE_RUNTIME_WATCHER->start;	510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
267	};	578	}
268	$WRITE_RUNTIME_WATCHER->stop;	579	};
269	$TICK_WATCHER->stop;	580
270	$guard	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
288		612
289	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		684
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
352	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
353		689
354	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		691
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
359	and return;	693	reset_signals;
		694	}
360		695
361	aio_fsync $fh	696	sub fork_call(&@) {
362	and return;	697	my ($cb, @args) = @_;
363		698
364	close $fh	699	# we seemingly have to make a local copy of the whole thing,
365	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
368	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
370	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	886	}
372		887
373	=back	888	=back
374		889
375	=cut	890	=cut
376		891
377	#############################################################################	892	#############################################################################
378		893
379	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
380		895
381	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
384		899
385	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	902	Deliantra).
388		903
389	=over 4	904	=over 4
390		905
391	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
392		907
…		…
436	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
437		952
438	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
440		955
441	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
443		958
444	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
445		960
446	=over 4	961	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
556		1071
557	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1076
562	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
564		1079
565	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
570		1085
571	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1088
574	} elsif (ref $type) {	1089	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
576		1091
577	} else {	1092	} else {
578	shift @arg;	1093	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
580	}	1095	}
581	}	1096	}
582	}	1097	}
583		1098
584	sub _object_attach {	1099	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
595	}	1110	}
596		1111
597	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
598	} else {	1113	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1115	}
601		1116
602	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
603	}	1118	}
604		1119
…		…
606	if (ref $_[0]) {	1121	if (ref $_[0]) {
607	_object_attach @_;	1122	_object_attach @_;
608	} else {	1123	} else {
609	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
610	}	1125	}
		1126	_recalc_want;
611	};	1127	};
612		1128
613	# all those should be optimised	1129	# all those should be optimised
614	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1135	reattach ($obj);
620	} else {	1136	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
622	}	1138	}
		1139	_recalc_want;
623	};	1140	};
624		1141
625	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
627		1144
…		…
642	";	1159	";
643	die if $@;	1160	die if $@;
644	}	1161	}
645		1162
646	our $override;	1163	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1165
649	sub override {	1166	sub override {
650	$override = 1;	1167	$override = 1;
651	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
652	}	1169	}
653		1170
654	sub do_invoke {	1171	sub do_invoke {
655	my $event = shift;	1172	my $event = shift;
656	my $callbacks = shift;	1173	my $callbacks = shift;
657		1174
658	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
659		1176
660	local $override;	1177	local $override;
661		1178
662	for (@$callbacks) {	1179	for (@$callbacks) {
663	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
664		1181
665	if ($@) {	1182	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1184	override;
669	}	1185	}
670		1186
671	return 1 if $override;	1187	return 1 if $override;
672	}	1188	}
673		1189
674	0	1190	0
675	}	1191	}
676		1192
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1194
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1196
681	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
682		1198
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1202
687	=back	1203	=back
688		1204
689	=cut	1205	=cut
690		1206
691	#############################################################################	1207	#############################################################################
692	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
693		1251
694	sub reattach {	1252	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1254	my ($obj) = @_;
697		1255
		1256	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1258
700	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
701		1260
702	@$registry = ();	1261	@$registry = ();
703		1262
…		…
708	for (@$attach) {	1267	for (@$attach) {
709	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
711	}	1270	}
712	} else {	1271	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1273	}
715	}	1274	}
716	}	1275	}
717		1276
718	cf::attachable->attach (	1277	cf::attachable->attach (
719	prio => -1000000,	1278	prio => -1000000,
720	on_instantiate => sub {	1279	on_instantiate => sub {
721	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
722		1281
723	$data = from_json $data;	1282	$data = decode_json $data;
724		1283
725	for (@$data) {	1284	for (@$data) {
726	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
727		1286
728	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1303	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
746		1305
747	sync_job {	1306	sync_job {
748	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
751		1312
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
756	close $fh;	1320	aio_close $fh;
757		1321
758	if (@$objs) {	1322	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
764	close $fh;	1331	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
766	}	1333	}
767	} else {	1334	} else {
768	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
769	}	1336	}
770		1337
771	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1342	} else {
773	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
774	}	1344	}
775	} else {	1345	} else {
776	aio_unlink $filename;	1346	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
778	}	1348	}
779	}	1349	};
780	}	1350	}
781		1351
782	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
784		1354
…		…
796	or return;	1366	or return;
797		1367
798	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
800	or return;	1370	or return;
		1371
801	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
802	}	1374	}
803		1375
		1376	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
806	return ($data, $av);	1381	($data, $av)
807	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
808		1389
809	#############################################################################	1390	#############################################################################
810	# command handling &c	1391	# command handling &c
811		1392
812	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1407	}
827		1408
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1410
830	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
831		1416
832	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
833	called.	1418	called.
834		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
835	=cut	1431	=cut
836		1432
837	sub register_extcmd {	1433	sub register_extcmd {
838	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
839		1435
840	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
841	}	1437	}
842		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
843	cf::player->attach (	1447	cf::player->attach (
844	on_command => sub {	1448	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
846		1450
847	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
848	or return;	1452	or return;
849		1453
…		…
854	cf::override;	1458	cf::override;
855	},	1459	},
856	on_extcmd => sub {	1460	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
858		1462
859	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1464
861	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
867	} else {	1480	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1482	}
870		1483
871	cf::override;	1484	cf::override;
872	},	1485	},
873	);	1486	);
874		1487
		1488	# "readahead" all extensions
875	sub load_extension {	1489	sub cache_extensions {
876	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
877		1491
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1495	}
903	die $@;
904	}	1496	};
905		1497
906	push @EXTS, $pkg;	1498	$grp
907	}	1499	}
908		1500
909	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
910	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1508	next unless -r $path;
912	eval {	1509
913	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
914	1	1573	}
915	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
916	}	1586	};
917	}	1587	}
918		1588
919	#############################################################################	1589	#############################################################################
920		1590
		1591	=back
		1592
921	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
922		1594
923	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
924		1596
925	=cut	1597	=cut
926		1598
927	package cf::player;	1599	package cf::player;
928		1600
…		…
930		1602
931	=head3 cf::player	1603	=head3 cf::player
932		1604
933	=over 4	1605	=over 4
934		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
935	=item cf::player::find $login	1621	=item cf::player::find $login
936		1622
937	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
938		1624
939	=cut	1625	=cut
940		1626
941	sub playerdir($) {	1627	sub playerdir($) {
942	cf::localdir	1628	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1630	}
948		1631
949	sub path($) {	1632	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1634
952	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
953	}	1636	}
954		1637
955	sub find_active($) {	1638	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
960		1643
961	sub exists($) {	1644	sub exists($) {
962	my ($login) = @_;	1645	my ($login) = @_;
963		1646
964	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
966	}	1649	}
967		1650
968	sub find($) {	1651	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1653	my $login = $_[0];
971		1654
972	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
973		1656
974	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
976	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
978	}	1674	}
979	}	1675	}
980	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
981		1690
982	sub save($) {	1691	sub save($) {
983	my ($pl) = @_;	1692	my ($pl) = @_;
984		1693
985	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
991		1700
992	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
994		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
995	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
996	Coro::cede;	1710	cf::cede_to_tick;
997	}	1711	}
998		1712
999	sub new($) {	1713	sub new($) {
1000	my ($login) = @_;	1714	my ($login) = @_;
1001		1715
…		…
1007	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1008		1722
1009	$self	1723	$self
1010	}	1724	}
1011		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1012	=item $pl->quit_character	1736	=item $pl->quit_character
1013		1737
1014	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1016		1740
1017	=cut	1741	=cut
1018		1742
1019	sub quit_character {	1743	sub quit_character {
1020	my ($pl) = @_;	1744	my ($pl) = @_;
1021		1745
		1746	my $name = $pl->ob->name;
		1747
1022	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1750
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1028	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1029		1759
1030	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1035	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1036	}	1786	}
1037		1787
1038	=item cf::player::list_logins	1788	=item cf::player::list_logins
1039		1789
1040	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1042		1792
1043	=cut	1793	=cut
1044		1794
1045	sub list_logins {	1795	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1797	or return [];
1048		1798
1049	my @logins;	1799	my @logins;
1050		1800
1051	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1055		1811
1056	utf8::decode $login;	1812	utf8::decode $login;
1057	push @logins, $login;	1813	push @logins, $login;
1058	}	1814	}
1059		1815
1060	\@logins	1816	\@logins
1061	}	1817	}
1062		1818
1063	=item $player->maps	1819	=item $player->maps
1064		1820
		1821	=item cf::player::maps $login
		1822
1065	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1066	player. May block.	1824	player. May block.
1067		1825
1068	=cut	1826	=cut
1069		1827
1070	sub maps($) {	1828	sub maps($) {
1071	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1832
1073	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1074	or return;	1834	or return;
1075		1835
1076	my @paths;	1836	my @paths;
…		…
1078	for (@$files) {	1838	for (@$files) {
1079	utf8::decode $_;	1839	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1082		1842
1083	s/\.map$//;	1843	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1844	}
1086		1845
1087	\@paths	1846	\@paths
1088	}	1847	}
1089		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1091		1854
1092	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1093		1856
1094	=cut	1857	=cut
1095		1858
1096	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1098		1861
1099	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1863	}
1103		1864
1104	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1105		1907
1106	=back	1908	=back
1107
1108		1909
1109	=head3 cf::map	1910	=head3 cf::map
1110		1911
1111	=over 4	1912	=over 4
1112		1913
…		…
1124	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1126		1927
1127	sub generate_random_map {	1928	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1130	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1934	}
1144		1935
1145	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1146		1937
1147	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1152		1943
1153	sub register {	1944	sub register {
1154	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1946	my $pkg = caller;
1156		1947
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1949
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1951	}
1162		1952
1163	# also paths starting with '/'	1953	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1955
1166	sub thawer_merge {	1956	sub thawer_merge {
1167	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1168		1958
1169	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1170	local $self->{path};	1960	local $self->{path};
1171	local $self->{load_path};	1961	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1962
1175	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1176	}	1964	}
1177		1965
1178	sub normalise {	1966	sub normalise {
1179	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1180		1968
1181	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1182		1972
1183	# map plan:	1973	# map plan:
1184	#	1974	#
1185	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1990	$path = "$base/$path";
1201	}	1991	}
1202		1992
1203	for ($path) {	1993	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1207	}	1996	}
1208		1997
1209	$path	1998	$path
…		…
1223	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1224	return $self;	2013	return $self;
1225	}	2014	}
1226	}	2015	}
1227		2016
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	2018	()
1230	}	2019	}
1231		2020
		2021	# may re-bless or do other evil things
1232	sub init {	2022	sub init {
1233	my ($self) = @_;	2023	my ($self) = @_;
1234		2024
1235	$self	2025	$self
1236	}	2026	}
…		…
1248		2038
1249	# the original (read-only) location	2039	# the original (read-only) location
1250	sub load_path {	2040	sub load_path {
1251	my ($self) = @_;	2041	my ($self) = @_;
1252		2042
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1254	}	2044	}
1255		2045
1256	# the temporary/swap location	2046	# the temporary/swap location
1257	sub save_path {	2047	sub save_path {
1258	my ($self) = @_;	2048	my ($self) = @_;
1259		2049
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1262	}	2052	}
1263		2053
1264	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1265	sub uniq_path {	2055	sub uniq_path {
1266	my ($self) = @_;	2056	my ($self) = @_;
1267		2057
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1270	}	2060	}
1271		2061
1272	# and all this just because we cannot iterate over	2062	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2063	my ($self) = @_;
1276		2064
1277	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1279	}	2068	}
1280		2069
1281	sub unlink_save {	2070	sub unlink_save {
1282	my ($self) = @_;	2071	my ($self) = @_;
1283		2072
…		…
1288		2077
1289	sub load_header_from($) {	2078	sub load_header_from($) {
1290	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1291		2080
1292	utf8::encode $path;	2081	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1294	or return;	2083	or return;
1295		2084
1296	$self->_load_header ($path)	2085	$self->_load_header ($f)
1297	or return;	2086	or return;
1298		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1299	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1300		2092
1301	1	2093	1
1302	}	2094	}
1303		2095
		2096	# used to laod the header of an original map
1304	sub load_header_orig {	2097	sub load_header_orig {
1305	my ($self) = @_;	2098	my ($self) = @_;
1306		2099
1307	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1308	}	2101	}
1309		2102
		2103	# used to laod the header of an instantiated map
1310	sub load_header_temp {	2104	sub load_header_temp {
1311	my ($self) = @_;	2105	my ($self) = @_;
1312		2106
1313	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1314	}	2108	}
1315		2109
		2110	# called after loading the header from an instantiated map
1316	sub prepare_temp {	2111	sub prepare_temp {
1317	my ($self) = @_;	2112	my ($self) = @_;
1318		2113
1319	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1320	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1321	# safety	2116	# safety
1322	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1323	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1324	}	2119	}
1325		2120
		2121	# called after loading the header from an original map
1326	sub prepare_orig {	2122	sub prepare_orig {
1327	my ($self) = @_;	2123	my ($self) = @_;
1328		2124
1329	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1330	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1341	$self->load_header_orig	2137	$self->load_header_orig
1342	or return;	2138	or return;
1343	$self->prepare_orig;	2139	$self->prepare_orig;
1344	}	2140	}
1345		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1346	1	2148	1
1347	}	2149	}
1348		2150
1349	sub find;	2151	sub find;
1350	sub find {	2152	sub find {
1351	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1352		2154
		2155	cf::cede_to_tick;
		2156
1353	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1354		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2161
1357	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1360	or return;	2164	or return;
1361		2165
1362	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1363		2167
1364	$map->load_header	2168	$map->load_header
1365	or return;	2169	or return;
1366		2170
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1370	$map->reset;	2176	$map->reset;
1371	undef $guard;
1372	return find $path;	2177	return find $path;
1373	}	2178	}
1374		2179
1375	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1376	}	2181	}
1377	}	2182	}
1378		2183
1379	sub pre_load { }	2184	sub pre_load { }
1380	sub post_load { }	2185	#sub post_load { } # XS
1381		2186
1382	sub load {	2187	sub load {
1383	my ($self) = @_;	2188	my ($self) = @_;
1384		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1385	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1387		2196
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1389		2199
1390	$self->in_memory (cf::MAP_LOADING);
1391
1392	$self->alloc;	2200	$self->alloc;
1393		2201
1394	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1395		2204
1396	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1397	or return;	2209	or return;
1398		2210
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1400	if delete $self->{load_original};	2212	if delete $self->{load_original};
1401		2213
1402	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2215	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2218	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1407	}	2223	}
1408	}
1409		2224
1410	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1411		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1412	# now do the right thing for maps	2234	# now do the right thing for maps
1413	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2237	unless $self->difficulty;
1423	Coro::cede;	2238	cf::cede_to_tick;
1424	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1425	}	2250	}
1426		2251
1427	$self->post_load;	2252	$self->post_load;
1428		2253
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1430	}	2255	}
1431		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2260	sub customise_for {
1433	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1434		2262
1435	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2264	if $self->per_player;
1437		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1438	$self	2269	$self
1439	}
1440
1441	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {
1443	my ($map) = @_;
1444
1445	my @diag; # diagonal neighbours
1446
1447	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)
1449	or next;
1450	$neigh = find $neigh, $map
1451	or next;
1452	$neigh->load;
1453
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}
1457
1458	for (@diag) {
1459	my $neigh = find @$_
1460	or next;
1461	$neigh->load;
1462	}
1463	}	2270	}
1464		2271
1465	sub find_sync {	2272	sub find_sync {
1466	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1467		2274
1468	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1469	}	2280	}
1470		2281
1471	sub do_load_sync {	2282	sub do_load_sync {
1472	my ($map) = @_;	2283	my ($map) = @_;
1473		2284
1474	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1475	}	2290	}
1476		2291
1477	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1479		2294
1480	sub find_async {	2295	sub find_async {
1481	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1482		2297
1483	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1484		2299
1485	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1487	}	2302	}
1488		2303
1489	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1490	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1491	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2311	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2312	$map->load if $v;
		2313	}
1496		2314
1497	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1498	}	2316	}
1499	}	2317	}
1500	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1501	};	2319	};
1502	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1503		2321
1504	()	2322	()
1505	}	2323	}
1506		2324
		2325	# common code, used by both ->save and ->swapout
1507	sub save {	2326	sub _save {
1508	my ($self) = @_;	2327	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2328
1512	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1513		2330
1514	return unless $self->dirty;	2331	return unless $self->dirty;
1515		2332
…		…
1521	return if $self->{deny_save};	2338	return if $self->{deny_save};
1522		2339
1523	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1524		2341
1525	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1527	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1528		2348
1529	if ($uniq) {	2349	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2352	} else {
1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534	}	2354	}
1535	}	2355	}
1536		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1537	sub swap_out {	2365	sub swap_out {
1538	my ($self) = @_;	2366	my ($self) = @_;
1539		2367
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1545	return if $self->players;	2372	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1549	$self->clear;	2383	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2384	}
1552		2385
1553	sub reset_at {	2386	sub reset_at {
1554	my ($self) = @_;	2387	my ($self) = @_;
1555		2388
1556	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1559		2391
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2394
…		…
1573	my ($self) = @_;	2405	my ($self) = @_;
1574		2406
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2408
1577	return if $self->players;	2409	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2410
1580	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
		2412
		2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
1581		2422
1582	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1583		2424
1584	$self->in_memory (cf::MAP_SWAPPED);	2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2427	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2428
1589	$self->unlink_save;	2429	$self->unlink_save;
1590	$self->destroy;	2430	$self->destroy;
1591	}	2431	}
1592		2432
1593	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1594		2434
1595	sub nuke {	2435	sub nuke {
1596	my ($self) = @_;	2436	my ($self) = @_;
1597		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1598	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1599		2442
1600	$self->unlink_save;	2443	$self->unlink_save;
1601		2444
1602	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2450
1608	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1609		2453
1610	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1611	}	2491	}
1612		2492
1613	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1614		2494
1615	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2496	instantiated unique items. May block.
1617		2497
1618	=cut	2498	=cut
1619		2499
1620	sub unique_maps() {	2500	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1622	or return;	2502	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2503	utf8::decode $_;
1628	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
		2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
		2509	]
		2510	}
1630		2511
		2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
1631	s/\.map$//;	2533	s/\.map$// or next;
1632	push @paths, $_;	2534	utf8::decode $_;
1633	}	2535	push @maps, "$dir/$_";
		2536	}
1634		2537
1635	\@paths	2538	push @dirs, map "$dir/$_", @$dirs;
1636	}	2539	}
1637		2540
1638	package cf;	2541	\@maps
		2542	}
1639		2543
1640	=back	2544	=back
1641		2545
1642	=head3 cf::object	2546	=head3 cf::object
1643		2547
…		…
1647		2551
1648	=over 4	2552	=over 4
1649		2553
1650	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1651		2555
1652	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1653		2558
1654	=cut	2559	=cut
1655		2560
1656	sub inv_recursive_;	2561	sub inv_recursive_;
1657	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1660		2565
1661	sub inv_recursive {	2566	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1663	}	2568	}
1664		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1665	package cf;	2598	package cf;
1666		2599
1667	=back	2600	=back
1668		2601
1669	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1678		2611
1679	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1680		2627
1681	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2629	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1686		2633
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2635
1689	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1691	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1694	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1695	}	2661	}
1696		2662
1697	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1698		2664
1699	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1712		2678
1713	=item $player_object->enter_link	2679	=item $player_object->enter_link
1714		2680
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2682
1717	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1719		2687
1720	Will never block.	2688	Will never block.
1721		2689
1722	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1723		2691
…		…
1731	=cut	2699	=cut
1732		2700
1733	sub link_map {	2701	sub link_map {
1734	unless ($LINK_MAP) {	2702	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2703	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2704	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2705	$LINK_MAP->load;
1738	}	2706	}
1739		2707
1740	$LINK_MAP	2708	$LINK_MAP
1741	}	2709	}
…		…
1743	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2712	my ($self) = @_;
1745		2713
1746	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1747		2715
		2716	++$self->{_link_recursion};
		2717
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2719
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1752		2722
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2724	}
1755		2725
1756	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1758		2730
1759	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1760		2732
1761	unless ($map) {	2733	unless ($map) {
1762	# restore original map position	2734	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1775		2747
1776	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1779		2751
1780	$map->load;	2752	$map->load;
1781	$map->load_diag;
1782		2753
1783	return unless $self->contr->active;	2754	return unless $self->contr->active;
		2755
		2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2757	if ($self->enter_map ($map, $x, $y)) {
		2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2761	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2762	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2763
1802	# try to abort aborted map switching on player login :)	2764	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2765
1820	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1822	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1823		2780
1824	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2792
1827	$self->enter_link;	2793	$self->enter_link;
1828		2794
1829	(async {	2795	(async {
1830	my $map = cf::map::find $path;	2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
		2817	my $map = eval {
		2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
1832		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2823	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
1837		2826
		2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
		2833	}
		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1839	})->prio (1);	2841	})->prio (1);
1840	}	2842	}
1841		2843
1842	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1843		2845
…		…
1863	}	2865	}
1864		2866
1865	sub prepare_random_map {	2867	sub prepare_random_map {
1866	my ($exit) = @_;	2868	my ($exit) = @_;
1867		2869
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2872	# that depends on the exit object
1873		2873
1874	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
1875		2875
1876	if ($exit->map) {	2876	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2877	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1881	}	2883	}
1882		2884
1883	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1884		2886
1885	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1888		2890
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2893	undef $fh;
1892	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1893		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1896	}	2902	}
1897	}	2903	}
1898		2904
1899	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1901		2907
1902	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1903		2909
1904	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job
1906	cf::sync_job { prepare_random_map $exit };
1907	}
1908
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;
1912
1913	$self->enter_link;	2910	$self->enter_link;
1914		2911
1915	(async {	2912	(async {
1916	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1917	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1918	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1919		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1920	1;	2951	1
1921	}) {	2952	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1923	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1924	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2957
1927	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1928	$self->leave_link;	2959	$self->leave_link;
1929	}	2960	}
1930	})->prio (1);	2961	})->prio (1);
1931	}	2962	}
1932		2963
…		…
1943		2974
1944	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1946		2977
1947	utf8::encode $text;	2978	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2980	}
1950		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
1951		3203
1952	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1953		3205
1954	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1957		3209
1958	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
1959	reliable at some point in the future.	3211	become reliable at some point in the future.
1960		3212
1961	=cut	3213	=cut
1962		3214
1963	sub cf::client::query {	3215	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	3224	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		3226
1975	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
1977	}	3231	}
1978		3232
1979	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
1980	on_reply => sub {	3239	on_reply => sub {
1981	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
1982		3241
1983	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
1984	# get handled first	3243	# get handled first
1985	my $queue = delete $ns->{query_queue}	3244	my $queue = delete $ns->{query_queue}
1986	or return; # be conservative, not sure how that can happen, but we saw a crash here	3245	or return; # be conservative, not sure how that can happen, but we saw a crash here
1987		3246
1988	(shift @$queue)->[1]->($msg);	3247	(shift @$queue)->[1]->($msg);
		3248	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		3249
1990	push @{ $ns->{query_queue} }, @$queue;	3250	push @{ $ns->{query_queue} }, @$queue;
1991		3251
1992	if (@{ $ns->{query_queue} } == @$queue) {	3252	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	3253	if (@$queue) {
…		…
1995	} else {	3255	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	3257	}
1998	}	3258	}
1999	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2000	);	3286	);
2001		3287
2002	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2003		3289
2004	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020		3306
2021	$coro	3307	$coro
2022	}	3308	}
2023		3309
2024	cf::client->attach (	3310	cf::client->attach (
2025	on_destroy => sub {	3311	on_client_destroy => sub {
2026	my ($ns) = @_;	3312	my ($ns) = @_;
2027		3313
2028	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2029	},	3315	},
2030	);	3316	);
…		…
2045	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2047		3333
2048	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2049		3335
2050	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2051		3341
2052	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2053		3343
2054	=pod	3344	=pod
2055		3345
2056	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2057		3347
2058	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2059	cf::object::player player	3353	cf::object::player
2060	cf::player peaceful	3354	player
2061	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2062		3361
2063	=cut	3362	=cut
2064		3363
2065	for (	3364	for (
2066	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2067	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2069	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2070	) {	3371	) {
2071	no strict 'refs';
2072	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2073	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2074	for @funs;	3374	for @funs;
2075	}	3375	}
2076		3376
…		…
2091		3391
2092	my $qcode = $code;	3392	my $qcode = $code;
2093	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2094	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2095		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2096	local $_;	3399	local $_;
2097	local @safe::cf::_safe_eval_args = values %vars;
2098		3400
2099	my $eval =	3401	my $eval =
2100	"do {\n"	3402	"do {\n"
2101	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2102	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2103	. $code	3405	. $code
2104	. "\n}"	3406	. "\n}"
2105	;	3407	;
2106		3408
		3409	if ($CFG{safe_eval}) {
2107	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2108	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2109	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2110		3418
2111	if ($@) {	3419	if ($@) {
2112	warn "$@";	3420	warn "$@",
2113	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2114	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2115	}	3423	}
2116		3424
2117	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2118	}	3426	}
2119		3427
…		…
2133	=cut	3441	=cut
2134		3442
2135	sub register_script_function {	3443	sub register_script_function {
2136	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2137		3445
2138	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2139	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2140	}	3448	}
2141		3449
2142	=back	3450	=back
2143		3451
2144	=cut	3452	=cut
2145		3453
2146	#############################################################################	3454	#############################################################################
		3455	# the server's init and main functions
2147		3456
2148	=head2 EXTENSION DATABASE SUPPORT	3457	sub load_facedata($) {
		3458	my ($path) = @_;
2149		3459
2150	Crossfire maintains a very simple database for extension use. It can	3460	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	3461	# for this (global event?)
2152	excludes objects.	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		3463
2154	The parameter C<$family> should best start with the name of the extension	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		3465
2157	=over 4	3466	trace "loading facedata from $path\n";
2158		3467
2159	=item $hashref = cf::db_get $family	3468	my $facedata = decode_storable load_file $path;
2160		3469
2161	Return a hashref for use by the extension C<$family>, which can be	3470	$facedata->{version} == 2
2162	modified. After modifications, you have to call C<cf::db_dirty> or	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163	C<cf::db_sync>.
2164		3472
2165	=item $value = cf::db_get $family => $key	3473	# patch in the exptable
2166		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2167	Returns a single value from the database	3475	$facedata->{resource}{"res/exp_table"} = {
2168		3476	type => FT_RSRC,
2169	=item cf::db_put $family => $hashref	3477	data => $exp_table,
2170		3478	hash => (Digest::MD5::md5 $exp_table),
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	3479	};
		3480	cf::cede_to_tick;
2197		3481
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	3482	{
		3483	my $faces = $facedata->{faceinfo};
2209		3484
2210	my $dirty;	3485	while (my ($face, $info) = each %$faces) {
		3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2211		3487
2212	sub db_sync() {	3488	cf::face::set_visibility $idx, $info->{visibility};
2213	db_save if $dirty;	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2214	undef $dirty;	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2215	}	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2216		3493
2217	my $idle = Event->idle (	3494	cf::cede_to_tick;
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3495	}
2251	);
2252	}
2253		3496
2254	#############################################################################	3497	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3498	next unless $info->{smooth};
2256		3499
2257	sub cfg_load {	3500	my $idx = cf::face::find $face
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3501	or next;
2259	or return;
2260		3502
2261	local $/;	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2262	*CFG = YAML::Syck::Load <$fh>;	3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
2263		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
		3579	sub reload_facedata {
		3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3636
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3639
2269	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2273	};	3644	};
2274	warn $@ if $@;	3645	warn $@ if $@;
2275	}	3646	}
2276	}	3647	}
2277		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2278	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2279	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	(async {	3690	(async {
2283	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2284	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2285	};	3694	};
2286		3695
2287	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
2288	db_load;	3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
		3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2289	load_extensions;	3719	load_extensions;
2290		3720
2291	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2292	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2293	}	3739	}
2294		3740
2295	#############################################################################	3741	#############################################################################
2296	# initialisation and cleanup	3742	# initialisation and cleanup
2297		3743
2298	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2299	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2300	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2301	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2302	reentrant => 0,
2303	data => WF_AUTOCANCEL,
2304	signal => $signal,
2305	prio => 0,
2306	cb => sub {
2307	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2308	},
2309	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2310	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2311	}	3840	}
2312		3841
2313	sub emergency_save() {	3842	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2315		3844
2316	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2317		3851
2318	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2319	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2320	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2321	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2322	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2323	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2324	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2325	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2326	$pl->save;	3863	$pl->save;
2327	}	3864	}
2328	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2329		3866
2330	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2331	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2332	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3872	$map->valid or next;
2334	$map->save;	3873	$map->save;
2335	}	3874	}
2336	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
		3876
		3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
		3880	BDB::db_env_txn_checkpoint $DB_ENV;
		3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2337	};	3905	};
2338		3906
2339	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2340	}	3908	}
2341		3909
		3910	sub post_cleanup {
		3911	my ($make_core) = @_;
		3912
		3913	IO::AIO::flush;
		3914
		3915	error Carp::longmess "post_cleanup backtrace"
		3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2342	sub reload() {	3947	sub do_reload_perl() {
2343	# can/must only be called in main	3948	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2345	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2346	return;	3951	return;
2347	}	3952	}
2348		3953
2349	warn "reloading...";	3954	return if $RELOAD++;
2350		3955
2351	warn "cancelling server ticker";	3956	my $t1 = AE::time;
2352	$TICK_WATCHER->cancel;
2353		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
		3964	cf::sync_job {
2354	cf::emergency_save;	3965	#cf::emergency_save;
2355		3966
2356	eval {
2357	# if anything goes wrong in here, we should simply crash as we already saved
2358
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361
2362	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}
2366
2367	warn "flushing outstanding aio requests";
2368	for (;;) {
2369	IO::AIO::flush;
2370	Coro::cede;
2371	last unless IO::AIO::nreqs;
2372	warn "iterate...";
2373	}
2374
2375	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();	3969	%EXT_CORO = ();
2378		3970
2379	warn "removing commands";	3971	trace "perl_reload: removing commands";
2380	%COMMAND = ();	3972	%COMMAND = ();
2381		3973
2382	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2383	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2384		3977
2385	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2388		3981
2389	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2390	eval {	3983	eval {
2391	$cb->($pkg);	3984	$cb->($pkg);
2392	1	3985	1
2393	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2394	}	3991	}
2395		3992
2396	warn "... nuking $pkg";
2397	Symbol::delete_package $pkg;
2398	}
2399
2400	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2401	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2402	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2403		3996
2404	warn "... unloading $k";	3997	trace "... unloading $k";
2405	delete $INC{$k};	3998	delete $INC{$k};
2406		3999
2407	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2408	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2409		4002
2410	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2411	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2412	}	4008	}
2413		4009
2414	Symbol::delete_package $k;
2415	}
2416
2417	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2418	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		4013
2421	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2423		4017
2424	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2425	# and global variables created in xs	4019	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2427		4021
2428	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2429		4023
2430	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2431	require cf;	4025	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2433		4027
2434	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2435	cf::cfg_load;	4029	cf::reload_config;
2436	cf::db_load;
2437		4030
2438	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2439	cf::load_extensions;	4032	cf::load_extensions;
2440		4033
		4034	if ($REATTACH_ON_RELOAD) {
2441	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2442	_global_reattach;	4036	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2444	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
		4039	trace "perl_reload: reattaching attachments to players";
		4040	reattach $_ for values %PLAYER;
		4041	}
2445		4042
2446	warn "restarting server ticker";	4043	cf::_post_init 1;
2447		4044
2448	$TICK_WATCHER->start;	4045	trace "perl_reload: leaving sync_job";
		4046
		4047	1
		4048	} or do {
		4049	error $@;
		4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2449	};	4073	};
2450		4074	}
2451	if ($@) {
2452	warn $@;
2453	warn "error while reloading, exiting.";
2454	exit 1;
2455	}
2456
2457	warn "reloaded";
2458	};
2459
2460	our $RELOAD_WATCHER; # used only during reload
2461		4075
2462	register_command "reload" => sub {	4076	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2464		4078
2465	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2467		4081	async {
2468	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;	4083	reload_perl;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);	4084	};
2480	}	4085	}
2481	};	4086	};
2482		4087
2483	unshift @INC, $LIBDIR;	4088	#############################################################################
2484		4089
2485	my $bug_warning = 0;	4090	my $bug_warning = 0;
2486		4091
2487	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2488	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2489	parked => 1,	4094
2490	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2491	at => $NEXT_TICK || $TICK,	4096	}
2492	data => WF_AUTOCANCEL,	4097
2493	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2494	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2497	return;	4110	return;
		4111	}
		4112
		4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4116
		4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
		4121	write_runtime_sync
		4122	or error "ERROR: unable to write runtime file: $!";
2498	}	4123	};
		4124	}
2499		4125
2500	$NOW = Event::time;	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2501		4127	$sig->send;
2502	cf::server_tick; # one server iteration	4128	}
2503	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;
2505
2506	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2508		4130
2509	Event::sweep;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2510	Coro::cede_notself;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
2511		4139	}
2512	# my $AFTER = Event::time;
2513	# warn $AFTER - $NOW;#d#
2514
2515	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2517
2518	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;
2520	},	4140	}
2521	);	4141	}
2522		4142
		4143	{
		4144	# configure BDB
		4145
		4146	BDB::min_parallel 16;
		4147	BDB::max_poll_reqs $TICK * 0.1;
		4148	$AnyEvent::BDB::WATCHER->priority (1);
		4149
		4150	unless ($DB_ENV) {
		4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4157
		4158	cf::sync_job {
		4159	eval {
		4160	BDB::db_env_open
		4161	$DB_ENV,
		4162	$BDBDIR,
		4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4165	0666;
		4166
		4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4168	};
		4169
		4170	cf::cleanup "db_env_open(db): $@" if $@;
		4171	};
		4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
		4183	}
		4184
		4185	{
		4186	# configure IO::AIO
		4187
		4188	IO::AIO::min_parallel 8;
2523	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
		4190	undef $AnyEvent::AIO::WATCHER;
		4191	}
2524		4192
2525	undef $Coro::AIO::WATCHER;	4193	our $_log_backtrace;
2526	$AIO_POLL_WATCHER = Event->io (	4194	our $_log_backtrace_last;
2527	reentrant => 0,
2528	fd => IO::AIO::poll_fileno,
2529	poll => 'r',
2530	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,
2533	);
2534		4195
2535	$WRITE_RUNTIME_WATCHER = Event->timer (	4196	sub _log_backtrace {
2536	reentrant => 0,	4197	my ($msg, @addr) = @_;
2537	data => WF_AUTOCANCEL,	4198
2538	after => 1,	4199	$msg =~ s/\n$//;
2539	interval => 10,	4200
2540	prio => 6, # keep it lowest so it acts like a watchdog	4201	if ($_log_backtrace_last eq $msg) {
2541	cb => Coro::unblock_sub {	4202	LOG llevInfo, "[ABT] $msg\n";
2542	write_runtime	4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2543	or warn "ERROR: unable to write runtime file: $!";	4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2544	},	4237	}
2545	);	4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2546		4243
2547	END { cf::emergency_save }	4244	END { cf::emergency_save }
2548		4245
2549	1	4246	1
2550		4247

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